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remote: add remote led blink function to u211

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PD#163342: add remote led blink function to u211

Change-Id: I92ba57af1f3c83e6d432a344d35021734dfecf3c
Signed-off-by: Qianggui Song <qianggui.song@amlogic.com>
This commit is contained in:
Qianggui Song
2018-04-09 12:23:54 +08:00
committed by Yixun Lan
parent 19a79c7079
commit 537cf2650a
6 changed files with 102 additions and 1 deletions
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7
arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts
View File

@@ -157,6 +157,13 @@
gpios=<&gpio GPIOA_15 GPIO_ACTIVE_HIGH>;
default-state ="on";
};
remote_led {
label = "remote_led";
gpios = <&gpio_ao GPIOAO_10 GPIO_ACTIVE_LOW>;
default-state = "off";
linux,default-trigger = "rc_feedback";
};
};
cvbsout {

2
arch/arm64/boot/dts/amlogic/mesong12a.dtsi
View File

@@ -781,6 +781,8 @@
<0x0 0xff808000 0x00 0x20>; /*Legacy IR controller*/
status = "okay";
protocol = <REMOTE_TYPE_NEC>;
led_blink = <1>;
led_blink_frq = <100>;
interrupts = <0 196 1>;
pinctrl-names = "default";
pinctrl-0 = <&remote_pins>;

3
drivers/amlogic/input/remote/remote_core.c
View File

@@ -117,6 +117,9 @@ void remote_keydown(struct remote_dev *dev, int scancode, int status)
unsigned long flags;
u32 keycode;
if (dev->led_blink)
led_trigger_blink_oneshot(dev->led_feedback, &dev->delay_on,
&dev->delay_off, 0);
if (status != REMOTE_REPEAT) {
if (dev->is_valid_custom &&

7
drivers/amlogic/input/remote/remote_core.h
View File

@@ -23,6 +23,7 @@
#include <linux/kfifo.h>
#include <linux/device.h>
#include <dt-bindings/input/meson_rc.h>
#include <linux/leds.h>
#define MULTI_IR_TYPE_MASK(type) (type & 0xff) /*8bit*/
#define LEGACY_IR_TYPE_MASK(type) ((type >> 8) & 0xff) /*8bit*/
@@ -68,6 +69,12 @@ struct remote_dev {
struct remote_raw_handle *raw;
spinlock_t keylock;
#define DEFAULT_LED_BLINK_FRQ 100
struct led_trigger *led_feedback;
unsigned long delay_on;
unsigned long delay_off;
int led_blink;
struct timer_list timer_keyup;
unsigned long keyup_jiffies;
unsigned long keyup_delay;

25
drivers/amlogic/input/remote/remote_meson.c
View File

@@ -471,7 +471,7 @@ static int ir_get_devtree_pdata(struct platform_device *pdev)
resource_size_t *res_start[2];
struct pinctrl *p;
int ret;
int value;
int value = 0;
unsigned char i;
@@ -485,6 +485,26 @@ static int ir_get_devtree_pdata(struct platform_device *pdev)
}
dev_info(chip->dev, "protocol = 0x%x\n", chip->protocol);
ret = of_property_read_u32(pdev->dev.of_node,
"led_blink", &chip->r_dev->led_blink);
if (ret) {
dev_err(chip->dev, "don't find the node <led_blink>\n");
chip->r_dev->led_blink = 0;
}
dev_info(chip->dev, "led_blink = %d\n", chip->r_dev->led_blink);
ret = of_property_read_u32(pdev->dev.of_node,
"led_blink_frq", &value);
if (ret) {
dev_err(chip->dev, "don't find the node <led_blink_frq>\n");
chip->r_dev->delay_on = DEFAULT_LED_BLINK_FRQ;
chip->r_dev->delay_off = DEFAULT_LED_BLINK_FRQ;
} else {
chip->r_dev->delay_off = value;
chip->r_dev->delay_on = value;
}
dev_info(chip->dev, "led_blink_frq = %ld\n", chip->r_dev->delay_on);
p = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(p)) {
dev_err(chip->dev, "pinctrl error, %ld\n", PTR_ERR(p));
@@ -644,6 +664,8 @@ static int remote_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
dev_pm_set_wake_irq(&pdev->dev, chip->irqno);
led_trigger_register_simple("rc_feedback", &dev->led_feedback);
return 0;
error_register_remote:
@@ -666,6 +688,7 @@ static int remote_remove(struct platform_device *pdev)
tasklet_kill(&tasklet);
free_irq(chip->irqno, chip); /*irq dev_id is chip address*/
led_trigger_unregister_simple(chip->r_dev->led_feedback);
ir_cdev_free(chip);
remote_unregister_device(chip->r_dev);
remote_free_device(chip->r_dev);

59
drivers/amlogic/input/remote/sysfs.c
View File

@@ -251,6 +251,63 @@ static ssize_t map_tables_show(struct device *dev,
return len;
}
static ssize_t led_blink_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct remote_chip *chip = dev_get_drvdata(dev);
struct remote_dev *r_dev = chip->r_dev;
return sprintf(buf, "%u\n", r_dev->led_blink);
}
static ssize_t led_blink_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret = 0;
int val = 0;
struct remote_chip *chip = dev_get_drvdata(dev);
struct remote_dev *r_dev = chip->r_dev;
ret = kstrtoint(buf, 0, &val);
if (ret != 0)
return -EINVAL;
r_dev->led_blink = val;
return count;
}
static ssize_t led_frq_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct remote_chip *chip = dev_get_drvdata(dev);
struct remote_dev *r_dev = chip->r_dev;
return sprintf(buf, "%ld\n", r_dev->delay_on);
}
static ssize_t led_frq_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret = 0;
int val = 0;
struct remote_chip *chip = dev_get_drvdata(dev);
struct remote_dev *r_dev = chip->r_dev;
ret = kstrtoint(buf, 0, &val);
if (ret != 0)
return -EINVAL;
r_dev->delay_off = val;
r_dev->delay_on = val;
return count;
}
DEVICE_ATTR_RW(led_frq);
DEVICE_ATTR_RW(led_blink);
DEVICE_ATTR_RW(repeat_enable);
DEVICE_ATTR_RW(protocol);
DEVICE_ATTR_RW(keymap);
@@ -265,6 +322,8 @@ static struct attribute *remote_attrs[] = {
&dev_attr_debug_enable.attr,
&dev_attr_repeat_enable.attr,
&dev_attr_debug_log.attr,
&dev_attr_led_blink.attr,
&dev_attr_led_frq.attr,
NULL,
};